Add RSS support for Blog entries

app/controllers/blog_feed_controller.ts

@@ -0,0 +1,17 @@
+import type { HttpContext } from '@adonisjs/core/http'
+import BlogPosts from '../collections/blog_posts.js'
+
+export default class BlogFeedController {
+  async handle({ view, response }: HttpContext) {
+    response.append('Content-Type', 'text/xml')
+
+    const publishedBlogPosts = await new BlogPosts().published()
+
+    // Only publish the most recent 20 posts
+    const feedBlogPosts = publishedBlogPosts.slice(0, 20)
+
+    return view.render('feeds/blog', {
+      blogPosts: feedBlogPosts,
+    })
+  }
+}

commands/build_static.ts

@@ -9,6 +9,7 @@ import type { CommandOptions } from '@adonisjs/core/types/ace'
 import { HttpContextFactory } from '@adonisjs/core/factories/http'
 import SupportProgramController from '#controllers/support_program_controller'
 import CaseStudiesController from '#controllers/case_studies_controller'
+import BlogFeedController from '#controllers/blog_feed_controller'
 
 export default class BuildStatic extends BaseCommand {
   static commandName = 'build:static'
@@ -47,6 +48,22 @@ export default class BuildStatic extends BaseCommand {
     this.logger.success('created dist/contact.html')
   }
 
+  /**
+   * Creates a static copy of the RSS feeds.
+   */
+  protected async buildFeeds() {
+    const blogFeedController = new BlogFeedController()
+    const ctx = new HttpContextFactory().create()
+    await mkdir(app.makePath('dist/feeds'), { recursive: true })
+
+    /**
+     * Create blog feed
+     */
+    const feed = await blogFeedController.handle(ctx)
+    await writeFile(app.makePath('dist/feeds/blog.xml'), feed)
+    this.logger.success('created dist/feeds/blog.xml')
+  }
+
   /**
    * Creates a static copy of the blog listing and
    * individual blog posts.
@@ -126,6 +143,7 @@ export default class BuildStatic extends BaseCommand {
     await this.buildAboutPage()
     await this.buildContactPage()
     await this.buildBlog()
+    await this.buildFeeds()
     // await this.buildCaseStudies()
   }
 }

resources/views/components/layouts/main.edge

@@ -7,6 +7,7 @@
     <title>{{ page.title }}</title>
     <meta name="description" content="{{ page.description }}">
 
+    <link rel="alternate" type="application/rss+xml" title="RSS 2.0" href="/feeds/blog.xml"/>
     <link rel="apple-touch-icon" sizes="180x180" href="/icons/apple-touch-icon.png">
     <link rel="icon" type="image/png" sizes="32x32" href="/icons/favicon-32x32.png">
     <link rel="icon" type="image/png" sizes="16x16" href="/icons/favicon-16x16.png">

resources/views/feeds/blog.edge

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0">
+  <channel>
+    <title>AdonisJS Framework Blog</title>
+    <link>https://adonisjs.com/</link>
+    <description>All the latest AdonisJS Framework news.</description>
+    <lastBuildDate>{{new Date()}}</lastBuildDate>
+    <docs>https://validator.w3.org/feed/docs/rss2.html</docs>
+    <language>en</language>
+    <image>
+    <title>AdonisJS Framework Blog</title>
+    <url>https://adonisjs.com/icons/favicon-32x32.png</url>
+    <link>https://adonisjs.com/blog</link>
+    </image>
+    <atom:link href="https://adonisjs.com/feeds/blog.xml" rel="self" type="application/rss+xml"/>
+    @each(post in blogPosts)
+      <item>
+        <title><![CDATA[{{ post.title }}]]></title>
+        <link>{{ route('blog.show', [post.slug]) }}</link>
+        <guid>{{ post.slug }}</guid>
+        <pubDate>{{ post.publishedAt }}</pubDate>
+        <description><![CDATA[ {{{ post.contentHtml.summary }}} ]]></description>
+        <content:encoded><![CDATA[ {{{ post.contentHtml.contents }}} ]]></content:encoded>
+      </item>
+    @end
+  </channel>
+</rss>

start/routes.ts

@@ -10,12 +10,14 @@
 import router from '@adonisjs/core/services/router'
 
 const BlogController = () => import('#controllers/blog_controller')
+const BlogFeedController = () => import('#controllers/blog_feed_controller')
 const HomeController = () => import('#controllers/home_controller')
 const AboutController = () => import('#controllers/about_controller')
 const SupportProgramController = () => import('#controllers/support_program_controller')
 
 router.get('/', [HomeController])
 router.get('/contact', [SupportProgramController])
 router.get('/about', [AboutController])
+router.get('feeds/blog.xml', [BlogFeedController])
 
 router.resource('blog', BlogController).params({ blog: 'slug' }).only(['index', 'show'])